Koda is a Japanese surname, but the popularity of this name likely has more to do with a shortening of Dakota, which means “friend.” Remind him of that meaning when little Koda doesn’t want to share his toys. Not that it’ll matter, probably.
If you're looking for a name without a nickname, here it is!
Famous people named Koda:
Baseball player Koda Glover; singer Koda Kumi.
Koda is the name of a character in the animated movie Brother Bear.